Flexion and extension refer to directions of motion that affect the angle of a joint. Flexion is when the joint is closed, while extension is when it is opened. Flexion and extension are the two ...

Long hours of sitting, poor posture, tight muscles, or even stress can make the back feel stiff, heavy, or sore. Back pain has become one of those everyday problems almost everyone deals with at some ...

You might be neither - you could even be both - Bob’s mom was. We have an array of back exercises from which to choose. It will be helpful to make your choice if you know what kind of back pain you ...

Most of you know that training your upper body provides endless benefits, from improving your posture to increasing your metabolism. You might think of individually working your arms, shoulders, chest ...